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Finding the Fourth Proportional to 344,187.84, 474,981.12 and 191,226.24

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Solution

The fourth proportional to 344,187.84, 474,981.12 and 191,226.24 is: 263,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,187.84 : 474,981.12 = 191,226.24 : x
  2. Step 2: Convert to fraction form
    344,187.84/474,981.12 = 191,226.24/x
  3. Step 3: Cross multiply
    344,187.84x = 474,981.12 × 191,226.24
  4. Step 4: Simplify right side
    344,187.84x = 90,828,853,648.59
  5. Step 5: Solve for x
    x = 90,828,853,648.59/344,187.84
  6. Step 6: Final answer
    x = 263,893.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.